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Lake Sinclair

Milledgeville, Georgia — Putnam County.

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13,173Surface acres
22Public access sites
2.0 miShoreline trails

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 52041643).

Location & fast facts

Where Lake Sinclair is in Georgia

The red circle marks Lake Sinclair.

Fast facts

About Lake Sinclair

  • Counties: Putnam, Baldwin, Hancock
  • City or town on the shore: Milledgeville
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 203 mi from Tallahassee and 222 mi from Jacksonville, straight-line (not driving distance)

Towns and counties: U.S. Census Bureau boundaries overlaid on the USGS lake outline (Georgia: incorporated places touching the lake, otherwise the nearest one).

Fishing in Georgia

Official Georgia DNR pages. Rules and fees change; check before you go.

Good for & watch for

Good for

  • Boating. 22 public trailer launches listed (see access)
  • Swimming. 1 public beach or swim spot on the map (details)
  • Walking. 2.0 mi of trail near the shore (trails)
  • Camping. 3 campgrounds within 15 mi, 2 on the shore (list)

Watch for

  • Non-native/invasive species. Whorled hydrilla recorded. Clean, drain and dry your boat and gear.
  • Boat traffic. A public trailer launch means motorboats share the water; expect more traffic on summer weekends.
  • No lifeguard listed. None of our sources lists a staffed lifeguard. Swim at your own risk and watch children closely.

Built only from the data on this page: official access lists, OpenStreetMap beaches and trails, campground listings, state and USGS invasive-species records. We don't rate crowds or water quality.

Lake map

Lake Sinclair shoreline, boat launches & beaches

Lake Sinclair (campground)Little River Park (campground)Lawrence Shoals Campground (campground)Bass Boat House (Boat launch)1Boat ramp (Boat launch)2Boat ramp (Boat launch)3Boat ramp (Boat launch)4Cosbys Landing (Boat launch)5Crooked Creek Marina (Boat launch)6Dennis Station Access Area #1 (Boat launch)7Dennis Station Access Area #2 (Boat launch)8Greens Landing (Boat launch)9Haslams Marina (Boat launch)10Jere Shai Lakeside (Boat launch)11Lake Side Bait and Tackle (Boat launch)12Lake Sinclair Recreational Area (Boat launch)13Little River Park Marina (Boat launch)14Oconee Springs Park (Boat launch)15Rocky Creek (Boat launch)16Seabrook Road (Boat launch)17Sinclair Marina (Boat launch)18Sunset Marina and Inn (Boat launch)19T D Cheek Public Fishing Area (Boat launch)20Twin Bridges (Boat launch)21Upper Sinclair (SR16) (Boat launch)22Rocky Creek Beach (Beach)231 mileN

Numbers on the map match the list at rightbelow.

Boat launchBeachShoreline trail Campground
  1. 1Bass Boat House
    Boat launch · Milledgeville
  2. 2Boat ramp
    Boat launch
  3. 3Boat ramp
    Boat launch
  4. 4Boat ramp
    Boat launch
  5. 5Cosbys Landing
    Boat launch · Milledgeville
  6. 6Crooked Creek Marina
    Boat launch · Milledgeville
  7. 7Dennis Station Access Area #1
    Boat launch · Milledgeville
  8. 8Dennis Station Access Area #2
    Boat launch · Milledgeville
  9. 9Greens Landing
    Boat launch · Milledgeville
  10. 10Haslams Marina
    Boat launch · Milledgeville
  11. 11Jere Shai Lakeside
    Boat launch · Milledgeville
  12. 12Lake Side Bait and Tackle
    Boat launch · Milledgeville
  13. 13Lake Sinclair Recreational Area
    Boat launch · Milledgeville
  14. 14Little River Park Marina
    Boat launch · Milledgeville
  15. 15Oconee Springs Park
    Boat launch · Milledgeville
  16. 16Rocky Creek
    Boat launch · Milledgeville
  17. 17Seabrook Road
    Boat launch · Milledgeville
  18. 18Sinclair Marina
    Boat launch · Milledgeville
  19. 19Sunset Marina and Inn
    Boat launch · Milledgeville
  20. 20T D Cheek Public Fishing Area
    Boat launch · Milledgeville
  21. 21Twin Bridges
    Boat launch · Milledgeville
  22. 22Upper Sinclair (SR16)
    Boat launch · Milledgeville
  23. 23Rocky Creek Beach
    Beach

Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 52041643), public domain. State outline: U.S. Census Bureau TIGERweb. Points: Georgia DNR WRD water access points and OpenStreetMap boat ramps (ODbL). Dashed trails: © OpenStreetMap contributors (ODbL). Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

Shoreline trails

2.0 miTrail within 100 m of shore
Under 5%Of the shoreline
NoLoops the whole lake
South and west shoresWhere

OpenStreetMap shows about 2.0 mi of public hiking and walking trail within about 100 m (330 ft) of the Lake Sinclair shoreline, mostly along the south and west shores.

Trails along the shore

Getting to the trails

No trailhead is mapped for these trails. The closest public access site is Sinclair Marina, right on a shoreline trail (Georgia DNR water access data).

The dashed brown line on the lake map shows these trails. We include paths, footways and marked trails that OpenStreetMap doesn't mark as private, and leave out roads, sidewalks and snowmobile corridors. Mapped trails can still cross private land or close for the season, and not every trail is mapped, so follow posted signs.

Trails: © OpenStreetMap contributors, available under the Open Database License (ODbL). Map data as of Oct 9, 2026. Trail lengths count only the parts within about 100 m of the USGS NHD lake outline.

Campgrounds near Lake Sinclair

We found 3 campgrounds and RV parks within 15 miles of Lake Sinclair. 2 are right on the shore. Distances are straight-line from the nearest point on the shoreline, so driving distance is longer.

All campgrounds & RV parks in Georgia

Green tent icons on the lake map mark campgrounds near the shore, and the interactive map shows the closest 12. Amenities are listed only where a source records them; call or check the campground's website before you go, since seasons and rates change every year.

Campground data: OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026.

Conditions right now

Air temperature & conditions (nearest NWS station)Loading…
Fetching the latest National Weather Service observation…

Live from the National Weather Service API for the lake's coordinates (33.2450, -83.2557). The nearest station may be several miles away. NWS forecast for Lake Sinclair. No live water-temperature sensor is shown because we haven't found a public one for this lake.

Sun, moon & best fishing times

Sun & moon at Lake Sinclair

Best fishing times

Major periodMinor periodDaylight

    Based on solunar theory, an estimate. Major periods (about 2 hours) center on when the moon is directly overhead or underfoot; minor periods (about 1 hour) center on moonrise and moonset. The 0–100 activity score rises during those periods and gets a boost near sunrise and sunset and around the new and full moon. Weather, water temperature and pressure often matter more. Sun and moon times are calculated in your browser from the lake's coordinates with standard astronomy formulas, shown in ET (America/New_York), and accurate to within a few minutes.

    Boat launches & access sites

    22 public access sites listed, 22 with a boat ramp or trailer launch.

    SiteTownOwnerTypeParkingFeeUsesMap
    Bass Boat HouseMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1448, -83.2261
    Boat ramp——Boat ramp (OpenStreetMap) · Yes ramp——Boating33.1435, -83.2421
    Boat ramp——Boat ramp (OpenStreetMap) · Yes ramp——Boating33.2842, -83.1909
    Boat ramp——Boat ramp (OpenStreetMap) · Yes ramp——Boating33.2763, -83.2501
    Cosbys LandingMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1861, -83.2019
    Crooked Creek MarinaMilledgeville—Boat ramp · Yes ramp—FeeBoating33.2555, -83.2586
    Dennis Station Access Area #1Milledgeville—Boat ramp · Yes ramp—No feeBoating33.1885, -83.3166
    Dennis Station Access Area #2Milledgeville—Boat ramp · Yes ramp—No feeBoating33.1864, -83.3155
    Greens LandingMilledgeville—Boat ramp · Yes ramp——Boating33.1625, -83.3747
    Haslams MarinaMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1673, -83.3285
    Jere Shai LakesideMilledgeville—Boat ramp · Yes ramp——Boating33.1982, -83.2960
    Lake Side Bait and TackleMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1980, -83.2948
    Lake Sinclair Recreational AreaMilledgeville—Boat ramp · Yes ramp—FeeBoating33.2074, -83.3961
    Little River Park MarinaMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1868, -83.2911
    Oconee Springs ParkMilledgeville—Boat ramp · Yes ramp—FeeBoating33.2871, -83.1992
    Rocky CreekMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1458, -83.1872
    Seabrook RoadMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1678, -83.1885
    Sinclair MarinaMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1812, -83.2750
    Sunset Marina and InnMilledgeville—Boat ramp · Yes ramp—FeeBoating33.1958, -83.2936
    T D Cheek Public Fishing AreaMilledgeville—Boat ramp · Yes ramp——Boating33.1931, -83.2940
    Twin BridgesMilledgeville—Boat ramp · Yes ramp—FeeBoating33.2018, -83.3815
    Upper Sinclair (SR16)Milledgeville—Boat ramp · Yes ramp—No feeBoating33.3343, -83.1426

    Georgia DNR WRD water access points and OpenStreetMap boat ramps (ODbL)

    Fees, hours and rules change; confirm with the site owner before you go.

    Public beaches

    On OpenStreetMap: 1 beach or swimming spot on the shore of Lake Sinclair not marked private, residents-only or members-only.

    BeachTypeAccessDirections
    Rocky Creek BeachBeachAccess not tagged; check posted rulesGet directions

    Beaches: © OpenStreetMap contributors (ODbL), within about 150 m (500 ft) of the lake outline. A mapped beach is not a guarantee that swimming is allowed, supervised or safe; some town beaches need a resident sticker even when the map doesn't say so. Check posted rules and water-quality advisories before you swim.

    Non-native/invasive species

    Reported on or near Lake Sinclair

    Clean, Drain, Dry. Remove plants and mud, drain all water, and dry your boat, trailer and gear before moving to another water.

    USGS Nonindigenous Aquatic Species database

    USGS records matched to this water by location (within about 150 m of the outline) or by the place name in the record. A record shows a sighting was reported; it doesn't prove the species is still there. As of Oct 10, 2026.

    Contact & official info

    Questions about Lake Sinclair

    How big is Lake Sinclair?

    Lake Sinclair covers about 13,173 acres in Milledgeville, Georgia (Putnam County).

    Is there a public boat launch on Lake Sinclair?

    Yes. 22 public trailer launches are listed: Cosbys Landing, Dennis Station Access Area #1 and Dennis Station Access Area #2. Check posted fees and parking rules.

    Can you swim in Lake Sinclair?

    OpenStreetMap shows 1 public beach or swimming spot on the shore. None of our sources lists a lifeguard, so swim at your own risk and follow posted rules.

    Are there campgrounds near Lake Sinclair?

    Yes. We list 3 campgrounds and RV parks within 15 miles.

    What towns are on Lake Sinclair?

    Lake Sinclair touches Milledgeville in Putnam County, Baldwin County and Hancock County, Georgia.

    Share a tip or fishing report

    Know Lake Sinclair? Tell us about the launch, parking, where they're biting or anything a first-time visitor should know. Tips go privately to the LakeRipple editor; nothing is posted automatically. Helpful tips may be featured on this page (we'll use your first name only if you give one).

    Lakes & ponds nearby

    Straight-line distance between lake centers. All Georgia lakes & ponds · All waters in Milledgeville